Lexmark C780 Using Manual

Type
Using Manual
Using recycled paper
As an environmentally conscious company, Lexmark supports the use of recycled office paper produced specifically
for use in laser (electrophotographic) printers. In 1998, Lexmark presented to the US government a study
demonstrating that recycled paper produced by major mills in the US fed as well as non-recycled paper. However,
no blanket statement can be made that all recycled paper will feed well.
Lexmark consistently tests its printers with recycled paper (20–100% post-consumer waste) and a variety of test
paper from around the world, using chamber tests for different temperature and humidity conditions. Lexmark has
found no reason to discourage the use of today's recycled office papers, but generally the following property
guidelines apply to recycled paper.
Low moisture content (4–5%)
Suitable smoothness (100–200 Sheffield units)
Suitable sheet-to-sheet coefficient of friction (0.4–0.6)
Sufficient bending resistance in the direction of feed
Recycled paper, paper of lower weight (<60 gm
2
/16 lb bond) and/or lower caliper (<3.8 mils/0.1 mm), and paper that
is cut grain-short for portrait (or short-edge) fed printers may have lower bending resistance than is required for
reliable paper feeding. Before using these types of paper for laser (electrophotographic) printing, consult your paper
supplier. Remember that these are general guidelines only and that paper meeting these guidelines may still cause
paper feeding problems.
Unacceptable paper
The following paper types are not recommended for use with the printer:
Chemically treated papers used to make copies without carbon paper, also known as carbonless papers,
carbonless copy paper (CCP), or no carbon required (NCR) paper
Preprinted papers with chemicals that may contaminate the printer
Preprinted papers that can be affected by the temperature in the printer fuser
Preprinted papers that require a registration (the precise print location on the page) greater than ±2.3 mm
(±0.9 in.), such as optical character recognition (OCR) forms
In some cases, registration can be adjusted with a software application to successfully print on these forms.
Coated papers (erasable bond), synthetic papers, thermal papers
Rough-edged, rough or heavily textured surface papers, or curled papers
Recycled papers that fail EN12281:2002 (European)
Paper weighing less than 60 g/m
2
(16 lb)
Multiple-part forms or documents
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Lexmark C780 Using Manual

Type
Using Manual

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